Module io.helidon.common.testing.junit5

Package io.helidon.common.testing.junit5

Class MapMatcher

java.lang.Object

io.helidon.common.testing.junit5.MapMatcher

public final class MapMatcher
extends Object

Hamcrest matchers for Map.

Method Summary

Modifier and Type	Method	Description
static <K, V> org.hamcrest.Matcher<Map<K,V>>	mapEqualTo(Map<K,V> expected)	A matcher that performs Map deep equality.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

mapEqualTo

public static <K,
V> org.hamcrest.Matcher<Map<K,V>> mapEqualTo(Map<K,V> expected)

A matcher that performs Map deep equality.

Usage example:

     assertThat(actualMap, mapEqualTo(expectedMap));
 

This method targets trees implemented using Map where values of type Map are considered tree nodes, and values of any other type are considered leaf nodes.

The deep-equality is performed by diffing a flat string representation of each map. If the diff yields no differences, the maps are considered deeply equal.

The entries are compared using strings, both keys and leaf nodes must implement Object.toString().

Type Parameters:

K - type of the map keys

V - type of the map values

Parameters:

expected - expected map

Returns:

matcher validating the Map is deeply equal